src/core/lib/iomgr/tcp_client.h

   1 /*
   2  *
   3  * Copyright 2015 gRPC authors.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  */
  18
  19 #ifndef GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H
  20 #define GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H
  21
  22 #include <grpc/support/port_platform.h>
  23
  24 #include <grpc/impl/codegen/grpc_types.h>
  25 #include <grpc/support/time.h>
  26
  27 #include "src/core/lib/iomgr/endpoint.h"
  28 #include "src/core/lib/iomgr/pollset_set.h"
  29 #include "src/core/lib/iomgr/resolve_address.h"
  30 #include "src/core/lib/iomgr/resource_quota.h"
  31
  32 typedef struct grpc_tcp_client_vtable {
  33   void (*connect)(grpc_closure* on_connect, grpc_endpoint** endpoint,
  34                   grpc_slice_allocator* slice_allocator,
  35                   grpc_pollset_set* interested_parties,
  36                   const grpc_channel_args* channel_args,
  37                   const grpc_resolved_address* addr, grpc_millis deadline);
  38 } grpc_tcp_client_vtable;
  39
  40 /* Asynchronously connect to an address (specified as (addr, len)), and call
  41    cb with arg and the completed connection when done (or call cb with arg and
  42    NULL on failure).
  43    interested_parties points to a set of pollsets that would be interested
  44    in this connection being established (in order to continue their work) */
  45 void grpc_tcp_client_connect(grpc_closure* on_connect, grpc_endpoint** endpoint,
  46                              grpc_slice_allocator* slice_allocator,
  47                              grpc_pollset_set* interested_parties,
  48                              const grpc_channel_args* channel_args,
  49                              const grpc_resolved_address* addr,
  50                              grpc_millis deadline);
  51
  52 void grpc_tcp_client_global_init();
  53
  54 void grpc_set_tcp_client_impl(grpc_tcp_client_vtable* impl);
  55
  56 #endif /* GRPC_CORE_LIB_IOMGR_TCP_CLIENT_H */